Home / 827,042.40-1,240,563.60-294,580.80

Finding the Fourth Proportional to 827,042.40, 1,240,563.60 and 294,580.80

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Solution

The fourth proportional to 827,042.40, 1,240,563.60 and 294,580.80 is: 441,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,042.40 : 1,240,563.60 = 294,580.80 : x
  2. Step 2: Convert to fraction form
    827,042.40/1,240,563.60 = 294,580.80/x
  3. Step 3: Cross multiply
    827,042.40x = 1,240,563.60 × 294,580.80
  4. Step 4: Simplify right side
    827,042.40x = 365,446,217,738.88
  5. Step 5: Solve for x
    x = 365,446,217,738.88/827,042.40
  6. Step 6: Final answer
    x = 441,871.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.